57981820704 has 48 divisors (see below), whose sum is σ = 152307540000. Its totient is φ = 19313907200.

The previous prime is 57981820697. The next prime is 57981820747. The reversal of 57981820704 is 40702818975.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68829 + ... + 347420.

It is an arithmetic number, because the mean of its divisors is an integer number (3173073750).

Almost surely, 2^57981820704 is an apocalyptic number.

It is an amenable number.

57981820704 is an abundant number, since it is smaller than the sum of its proper divisors (94325719296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57981820704 is a wasteful number, since it uses less digits than its factorization.

57981820704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417713 (or 417705 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 51.

The spelling of 57981820704 in words is "fifty-seven billion, nine hundred eighty-one million, eight hundred twenty thousand, seven hundred four".